Hydrometer Brand: LABPRO Features: Material: Glass Color: Clear Product Dimension (B x H): 15 mm x 300 mm Care Instructions: Handle with care Part Number: KT33HM Details: A Hydrometer is an instrument that measures the specific gravity (relative density) of liquids-the ratio of the density of the liquid to the density of water. Material: Glass Color: Clear Product Dimension (B x H): 15mm x 300 mm Care Instructions: Handle with care Package Dimensions: 11.3 x 0.9 x 0.9 inches